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Finding the Fourth Proportional to 589.14, 882.11 and 383.20

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Solution

The fourth proportional to 589.14, 882.11 and 383.20 is: 573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.14 : 882.11 = 383.20 : x
  2. Step 2: Convert to fraction form
    589.14/882.11 = 383.20/x
  3. Step 3: Cross multiply
    589.14x = 882.11 × 383.20
  4. Step 4: Simplify right side
    589.14x = 338,021.15
  5. Step 5: Solve for x
    x = 338,021.15/589.14
  6. Step 6: Final answer
    x = 573.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.